From 0e46a66907a89b66314402cd404f4a2aaa53ceff Mon Sep 17 00:00:00 2001
From: buaixuexideshitongxue <2936013465@qq.com>
Date: Mon, 9 Mar 2026 11:48:14 +0800
Subject: [PATCH] =?UTF-8?q?fix--=E7=A0=94=E5=88=A4=E5=88=86=E6=9E=90--?=
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---
 .../biutag/supervision/util/ReportTrendUtil.java  | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/main/java/com/biutag/supervision/util/ReportTrendUtil.java b/src/main/java/com/biutag/supervision/util/ReportTrendUtil.java
index adc5cee..119aed4 100644
--- a/src/main/java/com/biutag/supervision/util/ReportTrendUtil.java
+++ b/src/main/java/com/biutag/supervision/util/ReportTrendUtil.java
@@ -29,12 +29,13 @@ public class ReportTrendUtil {
     public static BigDecimal calcRate(int current, int prev) {
 
         if (prev == 0) {
-            return BigDecimal.ZERO;
+            return BigDecimal.ZERO.setScale(2, RoundingMode.HALF_UP);
         }
 
         return BigDecimal.valueOf(current - prev)
                 .divide(BigDecimal.valueOf(prev), 4, RoundingMode.HALF_UP)
-                .multiply(BigDecimal.valueOf(100));
+                .multiply(BigDecimal.valueOf(100))
+                .setScale(2, RoundingMode.HALF_UP);
     }
 
 
@@ -60,12 +61,13 @@ public class ReportTrendUtil {
     public static BigDecimal percent(int part, int total) {
 
         if (total == 0) {
-            return BigDecimal.ZERO;
+            return BigDecimal.ZERO.setScale(2, RoundingMode.HALF_UP);
         }
 
         return BigDecimal.valueOf(part)
                 .divide(BigDecimal.valueOf(total), 4, RoundingMode.HALF_UP)
-                .multiply(BigDecimal.valueOf(100));
+                .multiply(BigDecimal.valueOf(100))
+                .setScale(2, RoundingMode.HALF_UP);
     }
 
     /**
@@ -74,12 +76,13 @@ public class ReportTrendUtil {
     public static BigDecimal calcRate(BigDecimal current, BigDecimal prev) {
 
         if (prev == null || prev.compareTo(BigDecimal.ZERO) == 0) {
-            return BigDecimal.ZERO;
+            return BigDecimal.ZERO.setScale(2, RoundingMode.HALF_UP);
         }
 
         return current.subtract(prev)
                 .divide(prev, 4, RoundingMode.HALF_UP)
-                .multiply(BigDecimal.valueOf(100));
+                .multiply(BigDecimal.valueOf(100))
+                .setScale(2, RoundingMode.HALF_UP);
     }